11011201099 has 4 divisors (see below), whose sum is σ = 11011586040. Its totient is φ = 11010816160.

The previous prime is 11011201051. The next prime is 11011201109. The reversal of 11011201099 is 99010211011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11011201099 - 2¹⁹ = 11010676811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011261099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145789 + ... + 208030.

It is an arithmetic number, because the mean of its divisors is an integer number (2752896510).

Almost surely, 2^11011201099 is an apocalyptic number.

11011201099 is a deficient number, since it is larger than the sum of its proper divisors (384941).

11011201099 is an equidigital number, since it uses as much as digits as its factorization.

11011201099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384940.

The product of its (nonzero) digits is 162, while the sum is 25.

The spelling of 11011201099 in words is "eleven billion, eleven million, two hundred one thousand, ninety-nine".